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Car starts but won't idle.

Tiny
MTM0912
  • MEMBER
  • 1989 CHEVROLET CAPRICE
  • 100,000 MILES
I have a 89' caprice with a 305 in it. It sat for about 9 months and I am trying to get it going again. I tried starting it and it starts up but won't stay idling. I can give the throttle a little push and it will keep running. I have replace the TPS sensor, fuel pump and fuel filter. I don't know where else to look.
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Friday, June 1st, 2012 AT 12:36 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Which motor? Carb or injected?

Roy
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Friday, June 1st, 2012 AT 12:44 AM
Tiny
MTM0912
  • MEMBER
  • 6 POSTS
305 and it throttle body injected.
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Friday, June 1st, 2012 AT 12:47 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Look for vacuum leaks around the throttle body

the iac motor may be bad or carboned up

the injectors may also be dirty as well.

Roy
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Friday, June 1st, 2012 AT 12:52 AM

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